| 摘要 |
<p>A backbone exercise device comprises a quadrangular frame formed by transverse members and longitudinal members; a device body having a pair of rotation shafts which are coupled to the quadrangular frame by vertical coupling parts and extend in a transverse direction, and a pair of head parts, a pair of body parts and a pair of hip parts which are cylindrically formed to be rotated about the rotation shafts, first parts of which are installed separately on one rotation shaft and second parts of which are installed separately on the other rotation shaft such that a transverse space is defined between the first parts and the second parts and longitudinal spaces are defined between two adjoining parts; rotary handle sections fixedly coupled to the body parts of the device body; and fixed handle sections formed on ends of the transverse members of the quadrangular frame.</p> |
